Treatment of solutions containing impure metals
    3.
    发明授权
    Treatment of solutions containing impure metals 失效
    处理含有不纯金属的溶液

    公开(公告)号:US4061564A

    公开(公告)日:1977-12-06

    申请号:US669586

    申请日:1976-03-23

    IPC分类号: C22B3/38 C25C1/12 B01D11/04

    摘要: A process for treating an aqueous acid solution containing at least one element selected from the group of elements consisting of As, Sb and Bi, said process comprising contacting the aqueous solution with an organic phase comprising an organophosphoric compound having the general formula (RO).sub.3 P = O wherein R represents an unsubstituted or substituted alkyl, aryl or aralkyl group, while maintaining a temperature of between 10.degree. and 60.degree. C and an organic phase/aqueous phase ratio of between 0.1 and 5, whereby the elements of said group and acid are extracted from the aqueous phase to the organic phase, and separating the resultant pregnant organic phase from the aqueous phase.

    摘要翻译: 一种处理含有选自由As,Sb和Bi组成的元素组中的至少一种元素的酸性水溶液的方法,所述方法包括使所述水溶液与包含通式(RO)3的有机磷化合物的有机相接触 P = O,其中R表示未取代或取代的烷基,芳基或芳烷基,同时保持温度在10至60℃之间,有机相/水相比为0.1至5,由此所述基团和 将酸从水相萃取到有机相,并将所得的怀孕有机相与水相分离。

    Liquid-liquid extraction
    4.
    发明授权
    Liquid-liquid extraction 失效
    液 - 液萃取

    公开(公告)号:US4419338A

    公开(公告)日:1983-12-06

    申请号:US335551

    申请日:1981-12-29

    IPC分类号: B01D11/04

    CPC分类号: B01D11/0457

    摘要: A multistage liquid-liquid extraction apparatus of the mixer-settler type, which is especially suited for performing liquid-liquid extractions accompanied by the formation of a solid phase, comprises a vessel the side-wall of which defines a cylinder or a regular polygonal body, the vessel being divided by means of radial partitions into sectors, each sector comprising a mixer and a settler, and the mixers and the settlers being located near the side-wall of the vessel.The agitators of the mixers are constituted by pumping turbines; the outlets of the mixers are constituted by weirs located near the side-wall of the vessel; means are provided for making the mixed liquids, discharged at the outlet of the mixers, flow by gravity towards a zone near the axis of the vessel; and the bottom of the vessel is inclined towards the axis of the vessel so as to define a reversed cone or pyramid.

    摘要翻译: 特别适合于进行伴随形成固相的液 - 液萃取的混合沉降器类型的多级液 - 液萃取装置包括容器,其侧壁限定圆柱体或正多边形体 ,船舶通过径向隔板分成扇区,每个扇区包括混合器和沉降器,并且混合器和沉降器位于容器的侧壁附近。 混合器的搅拌器由泵送涡轮机构成; 混合器的出口由位于船舶侧壁附近的堰构成; 提供了用于使在混合器出口排出的混合液体通过重力流向靠近容器轴线的区域的装置; 并且容器的底部朝向容器的轴线倾斜,以便限定反转的锥体或金字塔。

    Process for liquid-liquid extraction of cobalt from nickel
    6.
    发明授权
    Process for liquid-liquid extraction of cobalt from nickel 失效
    从镍中液 - 液萃取钴的工艺

    公开(公告)号:US4088733A

    公开(公告)日:1978-05-09

    申请号:US660546

    申请日:1976-02-23

    IPC分类号: C22B3/40 C01G51/10 C22B23/04

    CPC分类号: C22B3/0095 Y02P10/234

    摘要: A process for separating cobalt from nickel in an aqueous acid solution containing the above metals, which comprises contacting said solution with an organic phase comprising (a) 65-98% by volume of a concentrated alpha-hydroxyoxime extractant, a 1% by volume solution of which in xylene has per liter a maximum loading capacity of about 0.864 g. of copper, and (b) 2-35% by volume of an organophosphoric acid of the general formula: ##STR1## wherein R.sub.1 represents an alkyl, aryl or aralkyl radical, while maintaining the pH of said solution between 1 and 6, whereby cobalt is extracted from the aqueous phase to the organic phase and separating the resultant cobalt pregnant organic phase from the aqueous phase.

    摘要翻译: 一种从含有上述金属的酸性水溶液中分离钴的方法,其包括将所述溶液与有机相接触,所述有机相包含(a)65-98体积%的浓度的α-羟基肟萃取剂,1体积%的溶液 其中二甲苯中每升最大装载量约为0.864克。 的铜,和(b)2-35体积%的通式为的有机磷酸:其中R 1表示烷基,芳基或芳烷基,同时保持所述溶液的pH在1和6之间,由此钴 从水相中萃取到有机相,并将所得的钴怀孕有机相与水相分离。

    Apparatus for liquid-liquid extraction
    7.
    发明授权
    Apparatus for liquid-liquid extraction 失效
    液 - 液萃取装置

    公开(公告)号:US4277445A

    公开(公告)日:1981-07-07

    申请号:US912989

    申请日:1978-06-06

    IPC分类号: B01D11/04

    CPC分类号: B01D11/0457

    摘要: A multistage liquid-liquid extraction apparatus of the mixer-settler type, which is especially suited for performing liquid-liquid extractions accompanied by the formation of a solid phase, comprises a vessel the side-wall of which defines a cylinder or a regular polygonal body, the vessel being divided by means of radial partitions into sectors, each sector comprising a mixer and a settler, and the mixers and the settlers being located near the side-wall of the vessel.The agitators of the mixers are constituted by pumping turbines; the outlets of the mixers are constituted by weirs located near the side-wall of the vessel; means are provided for making the mixed liquids, discharged at the outlet of the mixers, flow by gravity towards a zone near the axis of the vessel; and the bottom of the vessel is inclined towards the axis of the vessel so as to define a reversed cone or pyramid.

    摘要翻译: 特别适合于进行伴随形成固相的液 - 液萃取的混合沉降器类型的多级液 - 液萃取装置包括容器,其侧壁限定圆柱体或正多边形体 ,船舶通过径向隔板分成扇区,每个扇区包括混合器和沉降器,并且混合器和沉降器位于容器的侧壁附近。 混合器的搅拌器由泵送涡轮机构成; 混合器的出口由位于船舶侧壁附近的堰构成; 提供了用于使在混合器出口排出的混合液体通过重力流向靠近容器轴线的区域的装置; 并且容器的底部朝向容器的轴线倾斜,以便限定反转的锥体或金字塔。

    Production of battery-grade manganese dioxide
    9.
    发明授权
    Production of battery-grade manganese dioxide 失效
    生产电池级二氧化锰

    公开(公告)号:US4284618A

    公开(公告)日:1981-08-18

    申请号:US86713

    申请日:1979-10-22

    IPC分类号: C01G45/02 H01M4/50

    摘要: Battery-grade MnO.sub.2 is produced by(a) treating a MnCl.sub.2 solution with Cl.sub.2 and Mg(OH).sub.2 whereby obtaining a MgCl.sub.2 solution that contains a MnO.sub.2 precipitate; and said MgCl.sub.2 solution contains at least 85 g/l of magnesium(b) allowing to digest the precipitate in the MgCl.sub.2 solution in presence of Cl.sub.2 under pressure;(c) separating the digested precipitate from the solution; and(d) washing and drying the precipitate.Owing to step (b), operating conditions in step (a) may be such that a concentrated MgCl.sub.2 solution is obtained, which is important for the further processing of that solution by pyrohydrolysis.

    摘要翻译: 电池级MnO2通过(a)用Cl 2和Mg(OH)2处理MnCl 2溶液来制备,从而得到含有MnO 2沉淀物的MgCl 2溶液; 并且所述MgCl 2溶液含有至少85g / l的镁(b),其允许在Cl 2存在下在压力下消化MgCl 2溶液中的沉淀物; (c)从溶液中分离消化的沉淀物; 和(d)洗涤和干燥沉淀物。 由于步骤(b),步骤(a)中的操作条件可以使得获得浓缩的MgCl 2溶液,这对于通过热解解进一步处理该溶液是重要的。